Hex #377a68 or rgb(55,122,104) in RGB space is the tint of greenish cian. It has hue angle of 163.88 degrees, value = 48 and saturation = 55. #377a68 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #336666. Below you can see the block with #377a68 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #377a68 to the mixer and play with it.